Thirumazhisai Gunasekaran
Pediatric Gastroenterology · Park Ridge, ILNPI 1083651749
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $7,322 of the $9,001 with a category attached, or 81.3%. Regeneron accounts for 60.1% of it on its own, with 5 other manufacturers making up the rest. Reporting peaked in 2024 at $5,915 and has fallen 56.9% since, to $2,548 in 2025. Among pediatric gastroenterology clinicians in IL with any reported payments, this total sits in the top 10% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 27 payments — averaging $333.37 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Regeneron$5K
- Takeda Pharmaceuticals U.S.A., Inc.$2K
- Sanofi$786
- Regeneron Healthcare Solutions, Inc.$488
- Alcresta Therapeutics, Inc.$104
- Micro-tech Endoscopy USA, Inc.$9
Across 115 payments — averaging $2542.44 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Regeneron$109K
- AstraZeneca$93K
- Takeda Pharmaceuticals U.S.A., Inc.$60K
- AbbVie$26K
- Shire North American Group Inc$5K
What the payments were for
- Consulting fees$7,32281%
- Food & beverage$1,66518%
- Education$150%
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| Regeneron | 5 | $5,412 |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $2,202 |
| Sanofi | 12 | $786 |
| Regeneron Healthcare Solutions, Inc. | 6 | $488 |
| Alcresta Therapeutics, Inc. | 1 | $104 |
| Micro-tech Endoscopy USA, Inc. | 1 | $9 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
How this compares
$9,001 in reported general payments places this provider in the 90th percentile of 58 pediatric gastroenterology providers in Illinois.
Other pediatric gastroenterology in Park Ridge
- Samuel LeungPark Ridge$3K
- Kiranmai GorlaPark Ridge$1K
- Hector HernandezPark Ridge$245
- Malgorzata BujarskaPark Ridge$146
- Michele ChoPark Ridge$52
- Amir KagalwallaPark Ridge$0
- Joshua WechslerChicago$433K
- Valeria CohranChicago$212K
- Lee BassChicago$149K
- Alyssa KriegermeierChicago$22K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.